diff --git a/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity b/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
index bb119b9185..03dc3f55d6 100644
--- a/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
+++ b/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
@@ -29,6 +29,10 @@ set_interface_core() {
 }
 
 case "$(board_name)" in
+lunzn,fastrhino-r66s)
+	set_interface_core 2 "eth0"
+	set_interface_core 4 "eth1"
+	;;
 friendlyarm,nanopi-r2c|\
 friendlyarm,nanopi-r2s|\
 xunlong,orangepi-r1-plus|\